In the northern hemisphere, what are the approximate dates of the spring equinox summer solstice winter solstice fall equinox

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

Where does oxidative phosphorylation take place

Which year held a congressional election and a presidential election